131612435 has 16 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 104142816.

The previous prime is 131612423. The next prime is 131612471. The reversal of 131612435 is 534216131.

It is a cyclic number.

It is not a de Polignac number, because 131612435 - 2¹⁰ = 131611411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274526 + ... + 275004.

It is an arithmetic number, because the mean of its divisors is an integer number (9979200).

Almost surely, 2^131612435 is an apocalyptic number.

131612435 is a deficient number, since it is larger than the sum of its proper divisors (28054765).

131612435 is a wasteful number, since it uses less digits than its factorization.

131612435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970.

The product of its digits is 2160, while the sum is 26.

The square root of 131612435 is about 11472.2462926839. The cubic root of 131612435 is about 508.6655295850.

Adding to 131612435 its reverse (534216131), we get a palindrome (665828566).

The spelling of 131612435 in words is "one hundred thirty-one million, six hundred twelve thousand, four hundred thirty-five".